210100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 499968

約数和(自身を除く): 289868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 191, 220, 275, 382, 550, 764, 955, 1100, 1910, 2101, 3820, 4202, 4775, 8404, 9550, 10505, 19100, 21010, 42020, 52525, 105050, 210100]

約数ペア:

[(1, 210100), (2, 105050), (4, 52525), (5, 42020), (10, 21010), (11, 19100), (20, 10505), (22, 9550), (25, 8404), (44, 4775), (50, 4202), (55, 3820), (100, 2101), (110, 1910), (191, 1100), (220, 955), (275, 764), (382, 550)]